准噶尔盆地东北缘二叠纪地层时代划分

Deng Yunshan; Wu Zhiyong; Ji Liming; Yan Cunfeng

ISSN 1000-0550 CN 62-1038/P

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Article Navigation > Acta Sedimentologica Sinica > 1996 > 14(3): 97-102

Deng Yunshan, Wu Zhiyong, Ji Liming, Yan Cunfeng. 准噶尔盆地东北缘二叠纪地层时代划分[J]. Acta Sedimentologica Sinica, 1996, 14(3): 97-102.

Citation:

Deng Yunshan, Wu Zhiyong, Ji Liming, Yan Cunfeng. 准噶尔盆地东北缘二叠纪地层时代划分[J]. Acta Sedimentologica Sinica, 1996, 14(3): 97-102.

准噶尔盆地东北缘二叠纪地层时代划分

Lanzhou Institute of Geology,Chinese Academy of Sciences,Lanzhou 730000

Received Date: 1995-07-02
Publish Date: 1996-09-10

Abstract

准噶尔盆地东北缘二叠纪地层为陆相沉积，古生物资料贫乏，地层划分方案纷杂，众说不一，部分层段划分证据不足。本文利用磁性地层配合同位素年代学和孢粉学对该区二叠系重新划分，二叠纪沉积期大多数时间处于基亚曼反向极性期，其极性单一，据地磁年表反应的极性特征来对比确定其地层时代界线。
- paleomagnetic stratigraphy,
- isotopic geochronology,
- sporology,

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